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Spectrophotometric determination of cobalt in bright nickel plating bath
Author(s): 
Pages: 53-55
Year: Issue:  6
Journal: ELECTROPLATING & FINISHING

Keyword:  分光光度法光亮镀镍;
Abstract: 以硫氢酸铵络合钴离子,随后用乙酸丁酯进行萃取,利用分光光度法测量光亮镀镍溶液中的钴离子.探讨了测量波长、硫氢酸铵的加入量、温度、时间、酸度、共存离子对测量结果的影响.结果表明,当钴离子含量为0.04-0.1 mg/mL时,吸光度与钴离子浓度间的关系遵守比耳定律.加标回收试验结果表明,该方法回收率为96.4 %,具有很好的实用价值和应用前景.
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